Turquoise (belonging to the Phosphate family)
Amethyst (variety of Quartz, belonging to the Silicates)
Tourmalines (belonging to the Silicates)
Carnelian : variety of chalcedony (variety of Quartz) belonging to the Silicates
Kunzite (pink variety of Spodumen belonging to the Silicate family)
Opals (belonging to the Silicate family)
Tourmalines
Variety of chalcedony (variety of Quartz)
Spodumen
Opals
Gemstones belonging to the Silicate family
Sources : futura-sciences, collection-mineraux
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